To cancel your Target Credit Card, call (800) 659-2396. Next, enter your account information and navigate through the menu until you are directed to a customer service representative. They’ll then be able to cancel your Target Credit Card. At the moment, there is no way to cancel your account online. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.